Process for selenium purification

Details Process for selenium purification Process for selenium purification

1982-08-02

1985-10-22

Doll, John

Chemistry of inorganic compounds

Selenium or tellurium or compound thereof

Elemental selenium or tellurium

423508, 75121, C01B 1902

Patent

active

045488002

ABSTRACT:
This invention is generally directed to an improved process for the preparation of selenium of high purity which comprises reacting selenious acid, selenium oxides, or mixtures thereof, with an alcohol, and subjecting the resulting selenium ester, subsequent to purification to a reduction reaction.

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Paul, R. C. et al., "Preparation of Dialkyl Selenites Indian", Journal of Chemistry, vol. 13, #3, Mar. 1975, pp. 292-294.
Bunton, C. A. & Hendy N. B., J. Chem. Soc. 1963 3137, "Tracer Studies in Ester Hydrolysis Part XIII."

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